pdf Ronald E. Shaffer and Edward M. Fisher Popular
In 2012 - Boston, USA 1170 downloads
shaffer.pdf
Reuse of N95 Filtering Facepiece Respirators: What Have We Learned and Where Do We Go Next?
Ronald E. Shaffer and Edward M. Fisher
National Personal Protective Technology Laboratory,
National Institute for Occupational Safety and Health, Pittsburgh, Pennsylvania, USA